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# Source: https://gist.github.com/4fcd7b28948a502a348e5a8a466b186b
##############################
# Flux 2 With GitOps Toolkit #
##############################
# What Is GitOps And Why Do We Want It?: https://youtu.be/HKkhD6nokC8
# Argo CD: Applying GitOps Principles To Manage Production Environment In Kubernetes: https://youtu.be/vpWQeoaiRM4
#########
# Setup #
#########
minikube start
minikube addons enable ingress
export INGRESS_HOST=$(minikube ip)
# Install Flux CLI by following the instructions from https://toolkit.fluxcd.io/guides/installation/#install-the-flux-cli
# Replace `[...]` with the GitHub organization or a GitHub user if it is a personal account
export GITHUB_ORG=[...]
# Replace `[...]` with the GitHub token
export GITHUB_TOKEN=[...]
# Replace `[...]` with `true` if it is a personal account, or with `false` if it is an GitHub organization
export GITHUB_PERSONAL=[...]
#########################
# Bootstrapping Staging #
#########################
flux bootstrap github \
--owner $GITHUB_ORG \
--repository flux-staging \
--branch main \
--path apps \
--personal $GITHUB_PERSONAL \
--namespace flux-staging
kubectl --namespace flux-staging \
get pods
git clone \
https://github.com/$GITHUB_ORG/flux-staging.git
cd flux-staging
ls -1 apps
ls -1 apps/flux-staging
kubectl create namespace staging
###############################
# Deploying The First Release #
###############################
flux create source git \
devops-toolkit-staging \
--url https://github.com/vfarcic/devops-toolkit \
--namespace flux-staging \
--branch master \
--interval 30s \
--export \
| tee apps/devops-toolkit-source.yaml
mkdir values
echo "image:
tag: 2.9.9
ingress:
host: staging.devops-toolkit.$INGRESS_HOST.xip.io" \
| tee values/devops-toolkit.yaml
flux create helmrelease \
devops-toolkit-staging \
--source GitRepository/devops-toolkit-staging \
--values values/devops-toolkit.yaml \
--chart "helm" \
--namespace flux-staging \
--target-namespace staging \
--interval 30s \
--export \
| tee apps/devops-toolkit-release.yaml
git add .
git commit -m "Initial commit"
git push
watch flux --namespace flux-staging \
get helmreleases
kubectl --namespace staging \
get pods
##########################
# Deploying New Releases #
##########################
cat apps/devops-toolkit-release.yaml \
| sed -e "s@tag: 2.9.9@tag: 2.9.17@g" \
| tee apps/devops-toolkit-release.yaml
git add .
git commit -m "Upgrade to 2.9.17"
git push
watch kubectl --namespace staging \
get pods
watch kubectl --namespace staging \
get deployment \
staging-devops-toolkit-staging-devops-toolkit \
--output jsonpath="{.spec.template.spec.containers[0].image}"
cd ..
############################
# Bootstrapping Production #
############################
flux bootstrap github \
--owner $GITHUB_ORG \
--repository flux-production \
--branch main \
--path apps \
--personal $GITHUB_PERSONAL \
--namespace flux-production
watch kubectl get ns
git clone \
https://github.com/$GITHUB_ORG/flux-production.git
cd flux-production
kubectl create namespace production
###########################
# Promoting To Production #
###########################
flux create source git \
devops-toolkit-production \
--url https://github.com/vfarcic/devops-toolkit \
--namespace flux-production \
--branch master \
--interval 30s \
--export \
| tee apps/devops-toolkit-source.yaml
mkdir values
echo "image:
tag: 2.9.17
ingress:
host: devops-toolkit.$INGRESS_HOST.xip.io" \
| tee values/devops-toolkit.yaml
flux create helmrelease \
devops-toolkit-production \
--source GitRepository/devops-toolkit-production \
--values values/devops-toolkit.yaml \
--chart "helm" \
--namespace flux-production \
--target-namespace production \
--interval 30s \
--export \
| tee apps/devops-toolkit-release.yaml
git add .
git commit -m "Initial commit"
git push
watch flux --namespace flux-production \
get helmreleases
kubectl --namespace production \
get pods
open http://devops-toolkit.$INGRESS_HOST.xip.io
#########################
# Destroying Everything #
#########################
minikube delete
cd ..
cd flux-staging
gh repo view --web
# Delete the repo
cd ..
rm -rf flux-staging
cd flux-production
gh repo view --web
# Delete the repo
cd ..
rm -rf flux-production
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